does they work in the original Kindle

These are perfect with the Original Kindle. No longer will you be bothered by those around you asking if you like the Kindle, or if that is the original kindle they had back in college. If you are using the original kindle, you are likely riding a loud city bus on the way back to the trailer park. And you NEED these plugs. Thanks!

I'm freaked out over how far they seemingly stick out. Is there any danger of having something bump into them and have the plug jam in your ear?

I've actually had this happen. I was at a metal show and someone from a mosh pit fell into me and it somehow got jammed into my ear where I couldn't get it out with my fingertips and I had to wait to get home for my wife to extract it with needle nose pliers. It didnt go deep enough to cause damage but it sure was uncomfortable. I've used them 20+ times since and it hasnt happened again..

Color Name	Blue (Pale)
Batteries Included	No
Batteries Required	No
Brand	Etymotic Research
Manufacturer	Etymotic
Item Model Number	ER20-SMB-C
Model Year	2012
Size	3フランジ・イヤーチップS×1ペア
Product Dimensions	1.91 x 10.16 x 15.24 cm; 18.14 g
Item Weight	18 g

【国内正規品】Etymotic イヤープラグ ER20シリーズ スタンダードフィット 3フランジ・イヤーチップS ブルー 1ペア ノイズ低減 最大20dB減退 ER20-SMB-C

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【国内正規品】Etymotic イヤープラグ ER20シリーズスタンダードフィット 3フランジ・イヤーチップS ブルー 1ペアノイズ低減最大20dB減退 ER20-SMB-C